Josefův Důl dam
The Josefův Důl dam sits above the village Josefův Důl and dams the water of Kamenice river. It was built between 1976 and 1982 and is the largest dam in the Jizera Mountains. It has a height of 43 m and a capacity of 23 million cubic meters. It is used for drinking water so recreational activities are not permitted upon it.
